<span>Formation of bivalents lead to spindle fibers from opposite poles attaching to homologous chromosomes.
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Answer:
DNA synthesis occurs in the 5′ → 3′ direction only and requires a large suite of specialized enzymes.
Explanation:
B . By altering the enzyme's shape and structure due to a change in its optimal pH.
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Mitochondria. In a cell, mitochondria releases energy (ATP) from glucose through aerobic (cellular) respiration.
As you increase exercise and muscle activity, your heart rates increases. That is one feedback mechanism. Your heart delivers oxygen and nutrients to your muscle and other parts of the body quicker.
